diff --git a/lib/Cake/TestSuite/Fixture/CakeTestFixture.php b/lib/Cake/TestSuite/Fixture/CakeTestFixture.php
index 59310bc70..16bf36e0a 100644
--- a/lib/Cake/TestSuite/Fixture/CakeTestFixture.php
+++ b/lib/Cake/TestSuite/Fixture/CakeTestFixture.php
@@ -157,7 +157,7 @@ class CakeTestFixture {
 					continue;
 				}
 
-				if (in_array($type, array('blob', 'text'))) {
+				if (in_array($type, array('blob', 'text', 'binary'))) {
 					$canUseMemory = false;
 					break;
 				}